Home / 193,715.52-290,417.76-109,423.68

Finding the Fourth Proportional to 193,715.52, 290,417.76 and 109,423.68

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Solution

The fourth proportional to 193,715.52, 290,417.76 and 109,423.68 is: 164,047.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,715.52 : 290,417.76 = 109,423.68 : x
  2. Step 2: Convert to fraction form
    193,715.52/290,417.76 = 109,423.68/x
  3. Step 3: Cross multiply
    193,715.52x = 290,417.76 × 109,423.68
  4. Step 4: Simplify right side
    193,715.52x = 31,778,580,036.56
  5. Step 5: Solve for x
    x = 31,778,580,036.56/193,715.52
  6. Step 6: Final answer
    x = 164,047.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.